OpenTechnical

OT-2026-000072145

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000072145) never changes.

Identity and time

Publication numberOT-2026-000072145 · never reused
Internal UUID01a0ae92-47c1-74c6-9218-6e96788e17e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072145
StatusPUBLIC

Content hashes

Canonical textaf1a508b4ed3dc69e3a9715baa42efce4b1c258e8521b6b6e4c7abfe3f995fc9
Markdown4df3010291c44baac79db388675484ec8270d82a73f302a86b6e0fe5f2a9cfd7
PDF
Publication page2f81baba60473c45d33b0b5d248364f4d9ea828f3adb41a7db7c61ae0363eeb0
Manifestb4b619ef3478461718ecf4a878dd56334e9daee19153b248d66395a00cd6bbe6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureQ0hz/J6P1q4GFtYXEsRqX177nJk1/mHe07FqKqgHPhzs1o3BQaj6GftIK5QTmXvrg5UbXCW93PDT7b+KzGn7Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:14.420590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072145
observed 2f81baba60473c45d33b0b5d248364f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.403842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072145/manifest.json
observed b4b619ef3478461718ecf4a878dd5633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.387716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072145/publication.md
observed 4df3010291c44baac79db388675484ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.371503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072145/publication.txt
observed af1a508b4ed3dc69e3a9715baa42efce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.